stdlib: Removing incorrect requires.

This change removes call to requires for checking isa_required
in AbstractProcessor.__init__() and
AbstractGeneratorCore.__init__(). The previous calls would cause
incorrect errors when running generators with any isa other than
NULL.

Change-Id: I303f1e48a7d5649bbe19e0f52ace808225a771c5
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/61289
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Reviewed-by: Bobby Bruce <bbruce@ucdavis.edu>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Bobby Bruce <bbruce@ucdavis.edu>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/61732
2 files changed